نتایج جستجو برای: grain size effect

تعداد نتایج: 2143438  

Journal: :Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 2011

H. Sharifi, M. Salehi, M.R. Saeri

The effect of ferrite grain size on the fatigue and tensile properties of dual phase steels with a 0.25 volume fraction of martensite (Vm) under different heat treatments was investigated. The heat treatments were homogenized at 1200 oC along with several subsequent normalizations at 910 oC, resulting in different microstructures and mechanical properties. After heat treatment, the obtained ste...

Journal: :Journal of environmental monitoring : JEM 2010
Duccio Rocchini Kate S He Jens Oldeland Dirk Wesuls Markus Neteler

Few studies exist that explicitly analyse the effect of grain, i.e. the sampling unit dimension, on vascular plant species turnover (beta-diversity) among sites. While high beta-diversity is often a result of high environmental heterogeneity, remotely sensed spectral distances among sampling units may be used as a proxy of environmental gradients which spatially shape the patterns of species tu...

Control of microstructure parameters that affecting the Al-Ti-C master alloys grain refining efficiency is leading to improve the aluminum grain refinement. This study was an attempt to produce Al-Ti-C master alloys that provide these controlling factors with relying on the solute effect theory. The produced master alloys were examined by using scanning electron microscopy (SEM), energy-dispers...

Journal: :Journal of the Japan Institute of Metals and Materials 1989

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